Android Oreo 8.1 ROM, LineageOS 15.1 for OnePlus 3/3T has now arrived via a development build. If you want the OFFICIAL Lineage OS update or some more Android Oreo ROMs then stay tuned to the Android Oreo Lineage OS 15 page or the AOSP Android Oreo ROMs devices list page. This Lineage OS 15.1 for OnePlus 3/3T is brought to you by akhilnarang and one more build is by simonsmh.

DONATION TO DEVELOPER:

– No donation link found for akhilnarang.

DISCLAIMER:THIS IS AN INITIAL ALPHA BUILD AND HAS MANY MORE BUGS. HAVE A BACKUP BEFORE FLASHING THIS AND TRY AT YOUR OWN RISK. Installing a custom ROM on a OnePlus 3/3T (oneplus3) requires an unlocked bootloader on OnePlus 3/3T (oneplus3), which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. You are the only person doing changes to your phone and I cannot be held responsible for the mistakes done by you.

Root binary is NOT inbuilt in Lineage OS 15.1, so you may need a separate SuperSu package or LineageOS su binary to install to gain ROOT access. Here is Lineage OS Rooting guide If there is no in-built ROOT or it does not work for some reason then you can try SuperSU rooting guide to enable ROOT access.

Follow this if you are flashing LineageOS 15.1 for OnePlus 3/3T for the first time, or coming from another ROM:

Points to NOTE: – Try to avoid restoring apps backup using Titanium Backup. It may break things up. – Don’t restore system data using Titanium Backup! It will definitely break the current installation. – It is also discouraged to Restoring Apps + Data using Titanium Backup.

Boot into Recovery. Make sure to have a Custom recovery like CWM or TWRP or any other custom recovery. If not then follow the Custom Recovery Installation Guide for OnePlus 3/3T (it’s a generic guide which will work for TWRP as well as CWM recovery or any other recovery)

Complete the initial setup and enjoy Android Oreo 8.1 with Lineage OS 15.1 for OnePlus 3/3T. After the installation of LineageOS 15.1 for OnePlus 3/3T you may want to enable ROOT access on your phone and here is how you can do that:How to Enable ROOT on LineageOS 15.1.

Stay tuned or Subscribe to the OnePlus 3/3T (oneplus3) forum For other Android Oreo, Nougat ROMs, LineageOS 15.1 ROMs, other ROMs and all other device specific topics.

If you found any BUG or if you have any issues on this ROM then you can head to the development thread at XDA.